Some companies have a list of corporate approved site templates that they only want users to be able to select when creating new sites. One way that I found to restrict this is to create a Feature that uses the WSS OM to change the list of available template. You could then “staple” this feature to templates that you want a restricted list of site templates on.
public override void FeatureActivated(SPFeatureReceiverProperties properties)
{
SPWeb site = (SPWeb)properties.Feature.Parent;
site.AllowUnsafeUpdates = true;
// Standard Publishing Feature must be activated
PublishingWeb publishWeb = PublishingWeb.GetPublishingWeb(site);
publishWeb.Web.AllowUnsafeUpdates = true;
// Create a collection to store selected SPWebTemplates
Collection<SPWebTemplate> temp = new Collection<SPWebTemplate>();
//Get all available templates for a given lanugage
Microsoft.SharePoint.SPWebTemplateCollection templates = site.GetAvailableWebTemplates(site.Language);
// Add specific templates to our collection
temp.Add(templates["STS#0"]);
temp.Add(templates["MPS#1"]);
temp.Add(templates["MPS#2"]);
// Update the templates that are available
publishWeb.SetAvailableCrossLanguageWebTemplates(temp, false);
publishWeb.Update();
site.AllowUnsafeUpdates = false;
}
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